Multiple Choice
Technician A says if a lean condition caused by a vacuum leak, restricted injectors, dirty MAF, clogged fuel filter, or bad fuel pump exists, the LTFT will have a negative number. Technician B says when the O2 sensor has a rich signal, the STFT goes lean to adjust the air/fuel ratio. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B
Correct Answer:
Verified
Correct Answer:
Verified
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